Art is featured in this fake Student ID from Monsters University. The animated prequel will premiere June 21.

Mike looks starry-eyed in this still from Monsters University. The prequel to Monsters, Inc. will open June 21, 2013.

Sulley hoists Mike in the air in this still from Monsters University. The prequel to Monsters, Inc. will open June 21, 2013.

The international poster for Monsters University. The Pixar sequel once again stars John Goodman, Billy Crystal, and Steve Buscemi.

The new poster for Monsters University shows Mike and Sully in college garb. The Pixar sequel opens June 21, 2013.

Sulley is featured in this Monsters University character art. The 3D computer-animated sequel hits theaters June 21, 2013.

Mike is featured in this Monsters University character art. The 3D computer-animated sequel hits theaters June 21, 2013.

Mike and Sully are featured in this Monsters University character art. The 3D computer-animated sequel hits theaters June 21, 2013.

Don, Squishy and Squishy's Mom are featured in this Monsters University character art. The 3D computer-animated sequel hits theaters June 21, 2013.

Art, Terry and Terri are featured in this Monsters University character art. The 3D computer-animated sequel hits theaters June 21, 2013.

This is the poster for the film "Monsters University".

The result of a prank by Sulley on Mike. The characters are voiced by John Goodman and Billy Crystal.